Numbers of autotrophic nitrifiers and nitrification in fertilized forest soilMARTIKAINEN, P. J.Soil biology & biochemistry. 1985, Vol 17, Num 2, pp 245-248, issn 0038-0717Article

Nitrous oxide emission associated with autotrophic ammonium oxidation in acid coniferous forest soilMARTIKAINEN, P. J.Applied and environmental microbiology (Print). 1985, Vol 50, Num 6, pp 1519-1525, issn 0099-2240Article

Evaluation of the fumigation-extraction method for the determination of microbial C and N in a range of forest soilsMARTIKAINEN, P. J; PALOJÄRVI, A.Soil biology & biochemistry. 1990, Vol 22, Num 6, pp 797-802, issn 0038-0717, 6 p.Article

Nitrous oxide production and nitrification in acidic soil from a dutch coniferous forestMARTIKAINEN, P. J; DE BOER, W.Soil biology & biochemistry. 1993, Vol 25, Num 3, pp 343-347, issn 0038-0717Article

Mineralization of carbon and nitrogen, and nitrification in Scots pine forest soil treated with fast- and slow-release nitrogen fertilizersAARNIO, T; MARTIKAINEN, P. J.Biology and fertility of soils. 1996, Vol 22, Num 3, pp 214-220, issn 0178-2762Article

Nitrification in forest soil after refertilization with urea or urea and dicyandiamideAARNIO, T; MARTIKAINEN, P. J.Soil biology & biochemistry. 1992, Vol 24, Num 10, pp 951-954, issn 0038-0717Article

Long-term availability of nutients in forest soil derived from fast- and slow-release fertilizersAARNIO, T; RÄTY, M; MARTIKAINEN, P. J et al.Plant and soil. 2003, Vol 252, Num 2, pp 227-239, issn 0032-079X, 13 p.Article

Mechanisms of N₂O and NO production in the soil profile of a drained and forested peatland, as studied with acetylene, nitrapyrin and dimethyl etherREGINA, K; SILVOLA, J; MARTIKAINEN, P. J et al.Biology and fertility of soils. 1998, Vol 27, Num 2, pp 205-210, issn 0178-2762Article

Growth, respiration and survival of legionella pneumophila at high temperaturesKUSNETSOV, J. M; OTTOILA, E; MARTIKAINEN, P. J et al.Journal of applied bacteriology. 1996, Vol 81, Num 4, pp 341-347, issn 0021-8847Article

Survival of Escherichia coli and Campylobacter jejuni in untreated and filtered lake waterKORHONEN, L. K; MARTIKAINEN, P. J.Journal of applied bacteriology. 1991, Vol 71, Num 4, pp 379-382, issn 0021-8847Article

Nitrosospira, an important ammonium-oxidizing bacterium in fertilized coniferous forest soilMARTIKAINEN, P. J; NURMIAHO-LASSILA, E.-L.Canadian journal of microbiology. 1985, Vol 31, Num 3, pp 190-197, issn 0008-4166Article

Methane consumption in a frequently nitrogen-fertilized and limed spruce forest soil after clear-cuttingSAARI, A; SMOLANDER, A; MARTIKAINEN, P. J et al.Soil use and management. 2004, Vol 20, Num 1, pp 65-73, issn 0266-0032, 9 p.Article

Determination of assimilable organic carbon in humus-rich drinking watersMIETTINEN, I. T; VARTIAINEN, T; MARTIKAINEN, P. J et al.Water research (Oxford). 1999, Vol 33, Num 10, pp 2277-2282, issn 0043-1354Article

Mutagenicity and amount of chloroform after chlorination of bank filtered lake waterMIETTINEN, I. T; MARTIKAINEN, P. J; VARTIAINEN, T et al.Science of the total environment. 1998, Vol 215, Num 1-2, pp 9-17, issn 0048-9697Article

Effect of freezing of water samples on viable counts of environmental mycobacteriaLIVANAINEN, E; MARTIKAINEN, P. J; KATILA, M.-L et al.Letters in applied microbiology. 1995, Vol 21, Num 4, pp 257-260, issn 0266-8254Article

Comparison of some enrichment broths and growth media for the isolation of thermophilic campylobacters from surface water samplesKORHONEN, L. K; MARTIKAINEN, P. J.Journal of applied bacteriology. 1990, Vol 68, Num 6, pp 593-599, issn 0021-8847, 7 p.Article

Comparison of some decontamination methods and growth media for isolation of mycobacteria from northern brook watersIIVANAINEN, E; MARTIKAINEN, P. J; KATILA, M.-L et al.Journal of applied microbiology (Print). 1997, Vol 82, Num 1, pp 121-127, issn 1364-5072Article

Bacterial enzyme activities in ground water during bank filtration of lake waterMIETTINEN, I. T; VARTIAINEN, T; MARTIKAINEN, P. J et al.Water research (Oxford). 1996, Vol 30, Num 10, pp 2495-2501, issn 0043-1354Article

Comparison of the survival of Campylobacter jejuni and Campylobacter coli in culturable form in surface waterKORHONEN, L. K; MARTIKAINEN, P. J.Canadian journal of microbiology. 1991, Vol 37, Num 7, pp 530-533, issn 0008-4166Article

Release of CO2 and CH4 from small wetland lakes in western SiberiaREPO, M. E; HUTTUNEN, J. T; NAUMOV, A. V et al.Tellus. Series B, Chemical and physical meteorology. 2007, Vol 59, Num 5, pp 788-796, issn 0280-6509, 9 p.Article

Fluxes and production of N₂O, CO₂ and CH₄ in boreal agricultural soil during winter as affected by snow coverMALJANEN, M; KOHONEN, A.-R; VIRKAJÄRVI, P et al.Tellus. Series B, Chemical and physical meteorology. 2007, Vol 59, Num 5, pp 853-859, issn 0280-6509, 7 p.Article

Methane fluxes on agricultural and forested boreal organic soilsMALJANEN, M; LIIKANEN, A; SILVOLA, J et al.Soil use and management. 2003, Vol 19, Num 1, pp 73-79, issn 0266-0032, 7 p.Article

Nitrous oxide emissions from boreal organic soil under different land-useMALJANEN, M; LIIKANEN, A; SILVOLA, J et al.Soil biology & biochemistry. 2003, Vol 35, Num 5, pp 689-700, issn 0038-0717, 12 p.Article

Molecular size fractions of treated aquatic humusMYLLYKANGAS, T; NISSINEN, T. K; RANTAKOKKO, P et al.Water research (Oxford). 2002, Vol 36, Num 12, pp 3045-3053, issn 0043-1354Article

Emissions of N₂O and NO and net nitrogen mineralization in a boreal forested peatland treated with different nitrogen compoundsREGINA, K; NYKÄNEN, H; MALJANEN, M et al.Canadian journal of forest research (Print). 1998, Vol 28, Num 1, pp 132-140, issn 0045-5067Article